The youngest man on Forbes Billionaires list. This prince inherited a fortune on his eighteenth birthday in June 2001. His assets include extensive real estate holdings, a valuable art collection and a tech company. His 30,000 hectares of woodland in Germany is considered one of the largest forestry holdings in Europe. Lives in one of the family's castles, Schloss Emmeram, with his mother Gloria and older sisters Maria Theresia and Elisabeth.